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The science behind Olympic ice production

The process of creating Olympic ice for the Milan-Cortina event is being detailed by our Ask Me Anything team.

The standard for international competitions, including the Winter Olympics, is a uniform ice surface referred to as Olympic ice.

Trained experts, dubbed 'ice masters', oversee the creation and upkeep of this surface, bringing their specialized skills to the task.

Their primary objective is to provide a surface that meets the needs of athletes competing in various ice sports, such as curling, figure skating, and ice hockey.

In preparation for the men's and women's ice hockey matches, a brand-new arena was constructed in Milan-Cortina, despite facing delays, concerns, and rushed construction timelines.

The process of creating the ice for these competitions raises an interesting question: what steps are involved in making the rink's ice surface?

The process begins with the installation of a 5-centimetre insulation layer on the concrete floor, followed by the placement of a vapour barrier. Subsequently, engineers add mats infused with glycol, which helps maintain the ice at a low temperature.

The construction of the rink continues with the installation of boards and glass walls, after which approximately two inches of water is poured over the mat. This marks the initial formation of the ice sheets.

The ice surface is then coated with a layer of white paint and sealed. Additionally, the necessary markings and logos for ice hockey are applied to the surface.

The final step involves flooding the rink with an additional 3-4 centimetres of water to create the ice playing surface. To maintain optimal conditions, the temperature is kept within a range of -5 to -4 degrees Celsius.

To ensure a smooth playing surface, resurfacing machines, commonly referred to as Zambonis, are regularly deployed to remove a layer of ice and create a new, even surface.

According to Mark Messer, the ice master responsible for the long track speed skating event, the most significant challenge is adapting to a new system with limited preparation time, given the high-profile nature of the competition.

Messer noted that while temporary ice setups have been successfully implemented in the past, the scale of this particular endeavor is unprecedented, especially in the context of an Olympic Games.

The upcoming Milan-Cortina event will mark a historic first, as it will be the inaugural time a temporary venue is utilized for long track speed skating at a Winter Olympics.

We invite you to submit your questions for further information.

The process of repairing the ice surface is facilitated by the use of ice resurfacing machines, which focus on restoring the top layer to optimal condition.

The Winter Olympics feature a range of sports, each with its own unique ice requirements to ensure optimal athlete performance.

Ice conditions vary significantly from one sport to another, with some necessitating softer or harder surfaces, as well as specific temperature ranges.

According to Messer, in an interview with BBC Sport, the diversity of ice types used in various winter sports is often underestimated, with each discipline having distinct requirements and conditions.

In the case of curling, the ice surface must have a pebbled finish, which is achieved by spraying the surface with water that then freezes into small droplets.

For ice hockey, a harder ice surface is essential, as it enables players to make sudden stops when necessary, relying on the ice's rigidity for stability and control.

The conditions required for long track speed skating are quite specific, with a need for a thin and hard ice surface, making it the coldest of all Olympic ice disciplines.

A unique challenge awaits technicians in Milan-Cortina, where figure skating and short track speed skating will share a venue, necessitating surface adjustments that can take up to three hours to complete during the Games.

Figure skating demands a warmer, softer ice surface to facilitate safe landings, as excessively cold ice can be prone to shattering upon impact, whereas short track speed skating necessitates a thinner, colder surface.

According to Moffatt, the standards for these events must be exceptionally high, stating, "These are the best athletes in the world, so everything has to be the best."

Among the competitors in figure skating's ice dance category will be Team GB's Lilah Fear and Lewis Gibson.

The quality of water used is crucial in producing and sustaining Olympic-grade ice.

To achieve optimal conditions, ice technicians assess the water's pH levels and treat it to eliminate impurities and minerals.

Additionally, they monitor the total dissolved solids, which encompasses all organic and inorganic matter, including minerals, present in the water.

An imbalance in the total dissolved solids can have adverse effects: excessive levels can cause the ice to become cloudy, while insufficient levels can prevent the ice from forming a solid bond, leading to breakage.

Various external factors can potentially alter the ice's condition, which may, in turn, impact an athlete's performance.

Several factors are considered when evaluating a venue, including abrupt temperature fluctuations, lighting conditions, and crowd density.

According to Messer, numerous elements influence the final outcome, such as air temperature, air movement, humidity, spectator noise, lighting heat, water composition, and other factors. Additionally, the operator of the ice resurfacer has a significant impact on ice conditions.

This report is part of BBC Sport's Ask Me Anything series, which provides in-depth information on various topics.

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UAE Defeats Canada to Enhance Super 8s Qualification Chances

The United Arab Emirates boosted their slim chances of advancing to the T20 World Cup Super 8s, securing a narrow five-wicket victory over Canada, thanks in part to Aryansh Sharma’s unbeaten 74.

In a crucial match for the United Arab Emirates, Aryansh Sharma achieved his fifth T20 international half-century, contributing to the team's victory over Canada.

The Men's T20 World Cup, being held in Group D in Delhi, saw an intense competition between the two teams.

Canada's innings resulted in a total of 150-7 after 20 overs, with Harsh Thaker scoring 50 runs off 41 balls, while Junaid Siddique took 5 wickets for 35 runs.

The UAE team responded with a total of 154 runs in 19.4 overs, led by Aryansh Sharma's unbeaten 74 runs off 53 balls and Sohaib Khan's 51 runs off 29 balls, despite Bin Zafar taking 3 wickets for 14 runs.

The United Arab Emirates secured a five-wicket win over Canada, boosting their chances in the tournament.

Aryansh Sharma played a pivotal role in the UAE's win, scoring an unbeaten 74 runs to help his team overcome Canada's total.

With four overs remaining, Canada seemed poised to defend their total, but Sohaib Khan's aggressive batting reignited the UAE's chase, as he scored 17 runs off Dillon Heyliger's bowling.

In the final over, the UAE required eight runs to win, and Aryansh Sharma eased the pressure by hitting a six off Jaskaran Singh's first ball.

Sohaib Khan was dismissed after scoring a rapid 51 runs off 29 balls, including four sixes, leaving the scores level.

Muhammad Arfan then sealed the victory with two balls to spare, hitting a four off Jaskaran Singh, as Aryansh Sharma top-scored with 74 runs off 53 balls.

The UAE now stands third in Group D with two points, but they face an uphill task in their upcoming matches against full members South Africa and Afghanistan to advance to the next phase.

Although the UAE has never beaten a full member in any World Cup format, their performance in this match has given them some confidence.

Earlier in the match, Junaid Siddique achieved the best bowling figures by a UAE player in a T20 World Cup, taking 5 wickets for 35 runs at the Arun Jaitley Stadium in Delhi.

Harsh Thaker's 41-ball half-century, which included three sixes and two fours, provided a solid foundation for Canada's total.

Thaker and Navneet Dhaliwal shared a 58-run partnership to help Canada recover from a difficult start, before Dhaliwal was run out for 34 runs.

After Thaker fell victim to Junaid Siddique's slower ball, Canada struggled to find boundaries against the UAE's tight bowling.

Shreyas Movva made a useful contribution of 21 runs off 21 balls, but Junaid Siddique took two wickets in the final over to claim his maiden five-wicket haul in T20 internationals.

In a separate match, Zimbabwe's Brilliant Muzarabani played a key role in his team's stunning win over Australia.

For more updates, notifications, and social media coverage, visit the BBC Sport website.

In another development, Paul Stirling has been ruled out of the remainder of the T20 World Cup due to injury.

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Guardiola Advocates for Cultural Embrace to Foster a Better Society

Pep Guardiola, the manager of Manchester City, has stated that accepting diverse cultures will lead to a more harmonious society, in reaction to comments made by Sir Jim Ratcliffe regarding immigration.

As a player, Pep Guardiola earned 47 international caps for Spain, showcasing his skills on the global stage.

Manchester City's manager, Pep Guardiola, believes that embracing diverse cultures is essential for creating a more harmonious society.

Guardiola was questioned about his thoughts on comments made by Manchester United co-owner Sir Jim Ratcliffe, who stated that the UK had been "colonised by immigrants", sparking a debate.

Following criticism, Ratcliffe apologised for any offence caused, while still advocating for open discussion on the issue.

Ahead of Manchester City's FA Cup fourth-round match against Salford, Guardiola shared his perspective, saying that people seek better lives and opportunities, which can be found in their birthplace or elsewhere.

According to Guardiola, one's birthplace is not a determining factor in their potential or aspirations.

Many individuals are forced to leave their homelands due to problems in their native countries, rather than a desire to abandon their roots.

Guardiola emphasized that by genuinely embracing other cultures, society as a whole can improve, a notion he has no doubts about.

An examination of the facts behind Jim Ratcliffe's statements on immigration and benefits is also underway.

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Born in Santpedor, Catalonia, Spain, Guardiola has had a diverse career, playing in Spain, Italy, Qatar, and Mexico, before transitioning to management.

As a manager, the 55-year-old has had stints in Spain, Germany, and England, taking the helm at Manchester City in 2016.

Guardiola views the issue of immigration as a global problem, stating that it is a concern that affects many countries.

He believes that immigrants are often unfairly blamed for problems in their adopted countries, highlighting the fact that one's birthplace is often a matter of circumstance.

Guardiola reiterated that people from all backgrounds strive for a better life, seeking opportunities that may be available in their birth country or elsewhere.

He stressed that factors such as skin colour or birthplace should not be barriers to achieving one's goals.

For the latest news, analysis, and fan perspectives on Manchester City, please refer to our dedicated section.

Do you have any questions about Manchester City that you would like answered?

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GB’s Bankes knocked out in snowboard cross quarterfinals

Charlotte Bankes of Great Britain was knocked out in the quarter-final stage of the women’s snowboard cross event at the 2026 Winter Olympics.

Charlotte Bankes of Great Britain has been knocked out of the women's snowboard cross event at the 2026 Winter Olympics, failing to advance beyond the quarter-final stage.

For more Winter Olympics coverage, videos are available to stream.

Access to Winter Olympics video content is restricted to users in the United Kingdom.

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